2. Current storage clean solution 'Clean Master' has been changed into '360 Security'.

For a more pleasant experience while using your Galaxy smartphone, try the "Device Maintenance" app by Samsung Electronics. With the "Device Maintenance" app, anyone can easily keep their smartphone in good condition. The intuitive screen layout and interactions help the user check the condition of their device at a single glance and maintain their smartphone easily without expert knowledge, as it enables them to take prompt actions if problems, such as malware (viruses, spyware), arise.

Some Galaxy devices may not support some of the features outlined below.
App updates via the Google Play store are only available on some devices.

[Main features]
- Reports the current condition of a customer's smartphone on a 100-point scale;
- Optimizes a smartphone in one simple click;
- Analyzes battery usage on a per-app basis and saves battery power by checking unused apps via App power monitor;
- Identifies battery-draining apps;
- Provides Power saving mode and Maximum power saving mode to ensure that the user can enjoy their smartphone for an extended period of time;
- Offers a feature to remove unnecessary files automatically;
- Configure your Galaxy device in a desired mode. Select from four Performance modes to give your smartphone better performance: Optimize mode, Game mode, Entertainment mode, and High performance mode;
- Manages and frees up RAM efficiently;
- Detects malware (viruses, spyware) and provides real-time protection for smartphones; and
- Offers two widget types and an edge panel for customer convenience.